公开(公告)号：US20210292286A1

公开(公告)日：2021-09-23

申请号：US17261865

申请日：2019-07-18

Applicant: BASF SE

Inventor： Jacek MALISZ ,  Andreas MUELLER ,  Johannes NAGEL ,  Dominik LANZINGER

IPC: C07D251/24 ,  B01D69/02 ,  B01D71/02 ,  C02F9/00

Abstract: The present invention provides an improved process for isolating 2,4-bis-(2,4-dihydroxyphenyl)-6-(4-methoxyphenyl)-1,3,5-triazine (DIOPAT) from an aqueous alkaline mixture M comprising the DIOPAT, 2,4-dihydroxybenzophenone, and aluminum salts, wherein the process comprises the steps of precipitating the DIOPAT by acidifying the mixture M to a pH

公开(公告)号：US20230227487A1

公开(公告)日：2023-07-20

申请号：US18008684

申请日：2021-06-10

Applicant: BASF SE

Inventor： Johan Fredrik BILLING ,  Emiel Jan KAPPERT ,  Chung Huan WONG ,  Jacek MALISZ

IPC: C07H1/08 ,  C07H3/06 ,  A23C9/142 ,  A23C9/146

CPC classification number: C07H1/08 ,  A23C9/142 ,  A23C9/146 ,  C07H3/06 ,  C12P19/04

Abstract: The present invention relates to a method for improved demineralization of fermentation broths, including the steps of providing a solution comprising one or more oligosaccharides, carrying out a first membrane filtration and preferably being a microfiltration or ultrafiltration, a second membrane filtration of the permeate of the first membrane filtration and a first nanofiltration step; with a sub-step of concentration and/or a sub-step of diafiltration. Moreover, the present invention is directed to an improved purification of fine chemicals from a fermentation broth.

公开(公告)号：US20180126338A1

公开(公告)日：2018-05-10

申请号：US15574511

申请日：2016-05-19

Applicant: BASF SE

Inventor： Martin WEBER ,  Berend ELING ,  Martin HEIJNEN ,  Oliver GRONWALD ,  Hartwig VOSS ,  Jacek MALISZ ,  Davis Yohanes ARIFIN

IPC: B01D71/54 ,  B01D71/68 ,  B01D71/70 ,  B01D71/80 ,  B01D67/00 ,  B01D69/02 ,  B01D69/14 ,  C08G18/76 ,  C08G18/63 ,  C08G18/48 ,  C08G18/40 ,  C08J5/18 ,  C08L75/08

CPC classification number: B01D71/54 ,  B01D67/0079 ,  B01D69/02 ,  B01D69/148 ,  B01D71/68 ,  B01D71/70 ,  B01D71/80 ,  B01D2325/48 ,  C08G18/4009 ,  C08G18/4072 ,  C08G18/4879 ,  C08G18/5072 ,  C08G18/5096 ,  C08G18/61 ,  C08G18/632 ,  C08G18/73 ,  C08G18/7671 ,  C08G77/28 ,  C08G77/458 ,  C08G2340/00 ,  C08J5/18 ,  C08J2375/08 ,  C08L75/08 ,  C08L81/06 ,  C09D183/08 ,  C08L75/04

Abstract: Polymer composition comprising a) an oligo- or polyurethane U of the formula (I) wherein k and n independently are numbers from 1 to 100, m is from the range 1-100, (X) is a block of formula (II) and (Y) is a block of the formula (III), (A) is a residue of an aliphatic or aromatic diisocyanate linker, (B) is a residue of a linear oligo- or polysiloxane containing alkanol end groups, and optionally further containing one or more aliphatic ether moieties, and (C) is an aromatic oligo- or polyarylene ether block that is at least partly etherified at its terminal positions with one alkylene glycol unit; or a mixture of such oligo- or polyurethanes; and b) one or more further organic polymers P selected from the group consisting of polyvinyl pyrrolidone, polyvinyl acetates, cellulose acetates, polyacrylonitriles, polyamides, polyolefines, polyesters, polyarylene ethers, polysulfones, polyethersulfones, polyphenylenesulfones, polycarbonates, polyether ketones, sulfonated polyether ketones, polyamide sulfones, polyvinylidene fluorides, polyvinylchlorides, polystyrenes and polytetrafluorethylenes, copolymers thereof, and mixtures thereof; preferably selected from the group consisting of polysulfones, polyphenylenes, polyethersulfones, polyvinylidene fluorides, polyamides, cellulose acetate and mixtures thereof.

公开(公告)号：US20230211290A1

公开(公告)日：2023-07-06

申请号：US18008749

申请日：2021-06-10

Applicant: BASF SE

Inventor： Emiel Jan KAPPERT ,  Jacek MALISZ ,  Frederike CARSTENSEN ,  Anne-Catrin HAILER

IPC: B01D61/14 ,  B01D61/22

CPC classification number: B01D61/146 ,  B01D61/22 ,  B01D2311/10 ,  B01D2311/18 ,  B01D2311/2626

Abstract: The present invention relates to a method for separating biomass from a solution comprising bi-omass and at least one aroma compound. comprising providing the solution comprising bio-mass and aroma compounds. lowering the pH value of the solution below 7 by adding at least one acid to the solution comprising biomass and the at least one aroma compound. adding an adsorbing agent to the solution comprising biomass and aroma compounds. and carrying out first membrane filtration so as to separate the biomass from the solution comprising the at least one aroma compound.

公开(公告)号：US20220016576A1

公开(公告)日：2022-01-20

申请号：US17290698

申请日：2019-10-30

Applicant: BASF SE

Inventor： Jacek MALISZ ,  Johannes NAGEL ,  Michael JACQUIER

IPC: B01D61/58 ,  B01D61/02 ,  C07D251/24 ,  B01D71/02 ,  B01D61/14

Abstract: The present invention provides an improved process for isolating 2,4-bis-(2,4-dihydroxyphenyl)-6-(4-methoxyphenyl)-1,3,5-triazine (DIOPAT) from an aqueous alkaline mixture M having a pH of 10 or more and comprising the 2,4-bis-(2,4-dihydroxyphenyl)-6-(4-methoxyphenyl)-1,3,5-triazine, 2,4-dihydroxybenzophenone, and aluminum salts, wherein the process comprises a nanofiltration step, a precipitation step, and a further filtration step.

公开(公告)号：US20250066312A1

公开(公告)日：2025-02-27

申请号：US18726838

申请日：2022-12-20

Applicant: BASF SE

Inventor： Christian SCHWEDE ,  Johannes Felix HAUS ,  Joerg THERRE ,  Jacek MALISZ ,  Helmut KRONEMAYER ,  Matthias KRUCK ,  Markus SPITTLER

IPC: C07D251/24

Abstract: The present invention relates to an improved process for isolating 2,4-bis-(2,4-dihydroxyphenyl)-6-(4-methoxyphenyl)-1,3,5-triazine (DIOPAT) from a DIOPAT-containing aqueous mixture N, wherein the process comprises the steps of concentrating the aqueous mixture N to obtain a DIOPAT-containing aqueous suspension S1 having a certain solid content; evaporating solvent from the aqueous suspension S1; and drying the DIOPAT to obtain a solid content of more than 90 wt.-%, based on the total weight of the DIOPAT.

公开(公告)号：US20230413838A1

公开(公告)日：2023-12-28

申请号：US18035307

申请日：2021-11-05

Applicant: BASF SE

Inventor： Emiel Jan KAPPERT ,  Jacek MALISZ ,  Daniel SEIBERT-LUDWIG

IPC: A23C9/142 ,  C07H1/08

CPC classification number: A23C9/142 ,  C07H1/08

Abstract: The present invention relates to a method for concentrating aqueous solutions of human milk oligosaccharides, in which an aqueous solution comprising at least one human milk oligosaccharide is subjected to a reverse osmosis process by means of a reverse osmosis membrane and is thereby concentrated to a final osmotic pressure of at least 70 bar measured with a freezing point osmometer. Moreover, the present invention refers to an according use of a reverse osmosis membrane, a corresponding reverse osmosis system containing such a membrane and a spray-dried HMO product obtainable by the method.

公开(公告)号：US20210388014A1

公开(公告)日：2021-12-16

申请号：US17286474

申请日：2019-10-17

Applicant: BASF SE

Inventor： Michael PUHL ,  Sebastian WLOCH ,  Peter OEDMAN ,  Anne-Catrin LETZEL ,  Hartwing SCHROEDER ,  Jacek MALISZ ,  Daniel SEIBERT-LUDWIG ,  Emiel Jan KAPPERT ,  Chung Huan WONG ,  Michael BARROS GROSS ,  Martin VIERTELHAUS

IPC: C07H1/08 ,  C07H3/06

Abstract: The present invention relates to a method for obtaining crystalline 2′-fucosyllactose from a 2′-FL raw material, which contains 2′-FL as a main constituent and at least 0.5% by weight, frequently at least 1% by weight, in particular at least 2% by weight, more particularly at least 5% by weight, and especially at least 8% by weight,based on the total amount of mono-and oligosaccharides in the raw material, of one or more mono- or oligosaccharides different from 2′-FL, where the method comprises a)providing a solution of the 2′-FL raw material in water, which does not contain more than 10% by weight, preferably not more than 7% by weight, more preferably not more than 5% by weight of organic solvents, based on the total amount of water; b) effecting the crystallization of 2′-FL from the solution provided in step a) by inducing conditions of a controlled super saturation in the solution; and c) separating crystalline 2′-FL from the mother liquor, and where during controlled supersaturation in step b) not more than 10% by weight, preferably not more than 7% by weight, more preferably not more than 5% by weight of organic solvents are present, based on the total amount of water present during step b).

公开(公告)号：US20170239627A1

公开(公告)日：2017-08-24

申请号：US15502896

申请日：2015-07-30

Applicant: BASF SE

Inventor： Martin WEBER ,  Nicole JANSSEN ,  Hartwig VOSS ,  Jacek MALISZ ,  Martin HEIJNEN ,  Edoardo MENOZZI

IPC: B01D71/80 ,  B01D71/52 ,  C08J3/00 ,  C02F1/44 ,  A23L2/74 ,  C08G75/23 ,  B01D71/68 ,  B01D67/00

CPC classification number: B01D71/80 ,  A23L2/74 ,  A23V2002/00 ,  B01D67/0011 ,  B01D67/0016 ,  B01D71/52 ,  B01D71/68 ,  B01D2325/02 ,  B01D2325/20 ,  B01D2325/22 ,  C02F1/44 ,  C02F2103/08 ,  C08G75/23 ,  C08G2340/00 ,  C08J3/005 ,  C08J2381/06 ,  C08J2481/06

Abstract: Process for making a membrane M comprising the following steps: a) preparing a copolymer C, wherein said copolymer C comprises blocks of at least one polyarylene ether A and blocks of polyalkylene oxide PAO, wherein the content of polyethyleneoxide in copolymer C is 30 to 90% by weight and wherein copolymer C is prepared in a solvent L to yield solution S; b) providing a dope solution D comprising at least one polymer P; c) mixing solution S and dope solution D; d) preparing a membrane by bringing the mixture of solution S and dope solution D into contact with at least one coagulating agent.